Underground instrumentation emplacement system

Details Underground instrumentation emplacement system Underground instrumentation emplacement system

1991-07-26

1993-01-05

Novosad, Stephen J.

Wells

With time or distance measuring, temperature responsive or...

166 72, 166250, 166264, 166384, 166385, E21B 2308, E21B 4706, E21B 4910

Patent

active

051762072

ABSTRACT:
A system for placing instrumentation within a hole enables a wide variety of instruments to be placed in the hole with enhanced measurement resolution and minimum risk of becoming lodged in the hole by partial collapse of the hole wall. A flexible tubular member is pressurized and averted from a canister into the hole, turning inside out as it extends into the hole. The application of pressure urges the tubular member against the hole wall in the manner of a hole liner or packer. A wide variety of instruments can be attached to the membrane and urged against the hole wall for measurement purposes. Typical measurements include temperature, pore fluid extraction and injection, in situ sensing with fiber optics, pore fluid pressure, and the like.

REFERENCES:
patent: 2927775 (1966-03-01), Hildebrandt
patent: 3050118 (1962-08-01), Elkins
patent: 3500819 (1970-03-01), Silverman
patent: 3525329 (1970-08-01), Zeimer
patent: 3589356 (1969-09-01), Silverman
patent: 3901240 (1975-08-01), Hoey
patent: 4522125 (1985-06-01), Marz

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